late 14c., "mold in which metal is cast," probably from in- (2) "in" + Old English goten, past participle of geotan "to pour" (from PIE root *gheu- "to pour"). Sense of "mass of cast metal" first attested early 15c.
ingest
ingestion
ingle
inglorious
in-going
ingot
ingraft
ingrain
ingrained
ingrate
ingratiate